MARIA NAYAGA THANARAJ (MCA)
Chennai
Summary
Android Tech Lead / Android Architect with extensive experience in native Android development using Kotlin and Java. Led the design, development, and maintenance of 20+ Android applications serving 5,000+ daily active users across enterprise and IoT platforms. Strong expertise in MVVM architecture, Jetpack Components, RESTful API integration, Firebase, and performance optimization. Proven leader in technical decision-making, mentoring teams, and delivering scalable, secure mobile solutions.
Overview
8
8
years of professional experience
5
5
Certifications
Work History
Tech Lead / Delivery Head
Client Linx Software Pvt Ltd
Chennai
03.2021 - Current
- Led end-to-end delivery as Delivery Head for 16+ enterprise and product-based Android and Android TV applications, serving 120,000+ users, 5,000+ customers, and managing 500,000+ asset records across sales, manufacturing, retail, IoT, and supply-chain domains; acted as delivery in-charge for 6+ direct enterprise customers, conducted onsite client visits and one-on-one stakeholder meetings for requirement gathering and solution validation, translated business requirements into scalable technical architectures, and guided and mentored cross-functional development teams through development, release, and production support.
- Salesforce Automation (SFA) – Developed a Kotlin-based enterprise product used by 2,500+ field sales users and 5,000+ customers, improving sales activity tracking, order visibility, and field productivity by 30%.
- ALMS (Attendance & Leave Management System) – Delivered a workforce management application used by 5,000+ users to manage attendance, daily allowance, and travel allowance, significantly reducing manual payroll processing and approval effort.
- Service Ticketing Application – Built a large-scale service and asset management platform used by 3,000+ employees and 5,000+ customers, maintaining and tracking 500,000+ (5L+) asset records including asset details, warranty information, and service history; reduced service costs and supported improved sales, warranty, and renewal management.
- Retailer Mobile Application – Developed a high-scale Kotlin-based product application used by 100,000+ retailers, enabling quick order placement, transparent transactions between retailers and customers, and driving improved sales efficiency and trust.
- Stock Audit Application – Developed a stock auditing solution used by 1,000+ users, integrated with SAP stock data, enabling accurate inventory tracking, reducing discrepancies, and improving stock control and compliance.
- Production Order Confirmation Application – Built a QR code–based mobile application integrated with SAP, accelerating production order confirmation and improving operational accuracy.
- Digital Signage TV Application – Developed an Android TV product deployed across 200+ displays, supporting both online and offline content delivery with high availability.
- Stock Details Display Application – Integrated SAP systems to display real-time stock information on mobile devices, reducing manual verification and operational delays.
- CCMS (Contract Canteen Management System) – Maintained and optimized an Android application deployed at plant entry points, used by 3,000+ employees to capture daily attendance, support salary processing, and accurately calculate overtime (OT).
- TCMS (Training Centre Management System) – Developed and maintained a training management application used to train 50+ users per month, track daily attendance, issue certificates, and manage training records; successfully supported 300+ users trained to date.
- FEED Application – Developed a Kotlin-based mobile application to track feed delivery confirmations at the farmer level using PO numbers and delivery status, enabling accurate verification of stock delivery, reducing disputes, and improving supply-chain transparency.
- UCP Real-Time Chat Application – Implemented real-time messaging functionality supporting 500+ concurrent users, enabling fast and reliable internal communication.
- Delivery Boy Application – Developed a Kotlin-based pickup and delivery tracking application for a small-scale organization, enabling order assignment, delivery status updates, and improved last-mile delivery coordination.
- Order Display Application – Built a mobile application to display real-time order details, reducing order processing delays and manual follow-ups.
- Kitchen Application (Flutter) – Maintained a Flutter-based kitchen operations application to display delivery summaries and ordered items, improving order visibility and reducing preparation errors.
Technical Associate
Helix Sense Technologies Pvt Ltd
New Delhi
03.2020 - 02.2021
- Developed and maintenance of 2 applications (Mobile)
- GoFMPro mobile application is designed for Managers and Maintenance Engineers.
- H-SPACE Mobile Application is Space Management.
- Collaborate with the team to understand their requirements and develop applications. Maintain the applications and provide client support.
Technical Associate
Denali Management Services
Bangalore
11.2018 - 02.2020
- Developed and maintenance of 3 applications (Mobile and TV)
- Flap Barrier application for gate access.
- Visitor Tracking Application with RFID.
- NAS storage and communication access between applications.
- Worked with Elastic Search, MQTT, BLE, QRCode Scanner.
- OneCampus - App in Play Store.
- KnightFrank Desols & Aurbis Hub- App in Play Store.
- Collaborate with the team to understand their requirements and develop applications. Maintain the applications and provide client support.
Jr. Android Developer
Zentere
Bangalore
02.2018 - 11.2018
- Developed and maintained the applications.
- 2 Apps for TV, 1 app for Mobile.
- Worked with Elastic Search, MQTT, BLE, RFID.
- Collaborate with the team to understand their requirements and develop applications. Maintain the applications and provide client support.
Skills
Mobile development
- Native Android application development
- Android SDK, Android Studio
- Kotlin and Java for Android development
- Jetpack components (ViewModel, LiveData)
- Architectural patterns: MVVM, MVC, MVP
- Restful API integration (Retrofit)
- Firebase: Firestore, Realtime Database, Push Notifications
- Material Design guidelines and UI/UX best practices
Programming Languages
- Java
- Kotlin
- Dart (Flutter)
- Elastic search
Frameworks and UI
- Flutter (cross-platform mobile development)
- XML layouts, Material UI
- HTML5, CSS3, JavaScript
Technologies, version control, and development tools
- Git, GitHub, Bitbucket, and SVN
- Gradle, Postman
Professional skills
- Project management
- Decision making
- Self-motivation
- Team collaboration and team building
- Risk assessment
- Team leadership
Roles And Responsibilities
Led end-to-end mobile application delivery, including client requirement gathering, solution design, mobile application architecture decisions, and team management of a 20-member development team Oversaw project planning, development, release management, and post-production support, ensuring on-time, high-quality delivery and sustained client satisfaction.
Projects
SFA (Sales Force Automation)
Android application developed a native Android application to improve sales productivity for food and manufacturing enterprises, including order management, customer data handling, and offline synchronization
ALMS (Attendance and Leave Management System)
Developed a native Android application for attendance and leave management with real-time sync, implementing Recognito Face SDK-based facial recognition for daily attendance verification
Nerve Service Ticket Tool – Android
Implemented a service ticketing system for tracking employee tasks and asset service history using mobile workflows and REST API integration
Digital signage TV – Android TV
Developed an Android TV digital signage application to display public information, with online and offline content support
GoFMPro – facility management mobile app
Designed and developed a modular Android application for facility managers, maintenance engineers, and technicians to log, track, and manage daily operational activities
Smart security system (admin/security guard)
Created a security monitoring Android application, enabling guards to view assigned events, playback video clips, and perform live camera streaming configured by the admin panel
Environmental sensors (IoT / BLE)
Integrated BLE-based IoT devices to fetch and display environmental data, such as occupancy, lux, temperature, humidity, indoor air quality, and PIR sensor metrics
Exit Gate Controller (IoT / RFID)
Developed an RFID-based Android application to validate visitor cards, automate card returns, and update visitor exit status in real time
VMS (Visitor Management System) – IoT
Implemented an IoT-enabled visitor tracking system using RFID technology to monitor visitor movement across the campus
One campus – QR code-based visitor system
Built an Android application to manage visitor entry using QR code scanning and a token-based access control system
Certification
Red Hat Linux System Administration (RHCAI, RHCA-II, RHCE)
Honors And Awards
- Received Appreciation from Sri Vidhya Mandir Arts and Science College.
- Participated in Technical Symposium in Loyola College, Chennai, and won 1st place in Software Marketing and 1st place in Web Design.
- Conducted the Android development classes for French students of Institute Lemonnier Cane, France (EMEA Region).
- Organized the National level Workshop on IOS Development and Technical Symposium in Sacred Heart College (Autonomous), Tirupattur.
Timeline
Tech Lead / Delivery Head
Client Linx Software Pvt Ltd
03.2021 - Current
Technical Associate
Helix Sense Technologies Pvt Ltd
03.2020 - 02.2021
Technical Associate
Denali Management Services
11.2018 - 02.2020
Jr. Android Developer
Zentere
02.2018 - 11.2018